Finding the Third Proportional to 80,484.75 and 174,808.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,484.75 : 174,808.69 = 174,808.69 : x
2. Step 2: Convert to fraction form
   80,484.75/174,808.69 = 174,808.69/x
3. Step 3: Cross multiply
   80,484.75x = 174,808.69 × 174,808.69
4. Step 4: Simplify right side
   80,484.75x = 30,558,077,225.47
5. Step 5: Solve for x
   x = 30,558,077,225.47/80,484.75
6. Step 6: Final answer
   x = 379,675.37